Home / 410,435,515.53-615,657,259.08-328,350,472.74

Finding the Fourth Proportional to 410,435,515.53, 615,657,259.08 and 328,350,472.74

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Solution

The fourth proportional to 410,435,515.53, 615,657,259.08 and 328,350,472.74 is: 492,528,897.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,435,515.53 : 615,657,259.08 = 328,350,472.74 : x
  2. Step 2: Convert to fraction form
    410,435,515.53/615,657,259.08 = 328,350,472.74/x
  3. Step 3: Cross multiply
    410,435,515.53x = 615,657,259.08 × 328,350,472.74
  4. Step 4: Simplify right side
    410,435,515.53x = 202,151,352,064,730,688
  5. Step 5: Solve for x
    x = 202,151,352,064,730,688/410,435,515.53
  6. Step 6: Final answer
    x = 492,528,897.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.